- Category: Geographic Feature
- Type: Other Coastal Landform
- Latitude/Longitude: 54°38'24"N 4°54'10"W
- Eastings/Northings: 212761, 531106
- OS Grid: NX127311
- Mapcode Local: GBR GJ8F.WCY
- Mapcode Global: WH2TM.NMFM
Location and coordinates are for the approximate centre of Old Mill Rock within this administrative area.
Geographic features and populated places may cross administrative borders.